Support
How do I put my list on the Lock Screen?
Long-press the Lock Screen, tap Customize, then add the Sumipon widget.
Why does tapping the widget ask for Face ID?
Widget buttons work after Face ID unlock. That is an iPhone rule.
How do I update the wallpaper automatically?
Open Shortcuts and go to Automation. Choose App, pick Sumipon, and select Is Closed. Add the actions Make Sumipon Wallpaper, then Set Wallpaper.
I stamped the wrong task.
Tap Undo on the toast, or on a recent stamp in the Stamp Book.
How do I restore purchases?
Open Settings in the app and tap Restore purchases.
How do I change the language?
Sumipon follows your iPhone language, Japanese or English.
How do I delete my data?
Delete the app. All its data is removed.